AD 80-12-10 R1
Unsafe Condition
Possible loss of flaps due to cracks in flap outer hinge assemblies, including the rear lug of hinge arm brackets and associated steel straps.
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Required Actions
Incorporate Modification No. 252670 or equivalent, inspect the aft lug of hinge arm brackets, trim/blend/de-burr flap lower skin reinforcing, perform dye penetrant inspections of flap outer hinge assemblies, and replace cracked parts with new components. Repeat inspections every 12 months.
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Compliance Time
Before further flight or within specified timeframes (3 or 12 months) as outlined in the AD, depending on prior compliance with AD 78-03-03 and modification status.
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Affected Aircraft
British Aerospace (formerly Hawker Siddeley Aviation, Ltd.) Model DH/BH/HS 125 series airplanes except 700 series above Serial Number NA-0245.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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